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Question 61

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Refer to the diagram below, showing the decay of a radioactive substance. Use the following to answer questions: Refer to the diagram below, showing the decay of a radioactive substance. -How long will it take for only 12.5 percent of the substance to remain? A) 220,000 years B) 320,000 years C) 420,000 years D) 520,000 years E) 720,000 years
-How long will it take for only 12.5 percent of the substance to remain?


A) 220,000 years
B) 320,000 years
C) 420,000 years
D) 520,000 years
E) 720,000 years

Correct Answer:

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